Faucet-filter.



L. A. MASON.

FAUGET FILTER.

APPLICATION FILED 001219, 1910.

1,016,757. Patented Feb. 6, 1912.

Mfi I W K 017175 1 F! as m-UIIIA WIAPI'I CO" VIASNINmN, D. C.

LUTHER A. MASON, 0F ELLENSBURG, WASHINGTON.

FAUCET-FILTER.

Specification of Letters Patent.

Application filed October 19, 1910.

Patented Feb. 6, 1912.

Serial No. 587,955.

To all whom it may concern:

Be it known that I, LUTHER A. MASON, a citizen of the United States, residing at Ellensburg, in the county of Kittitas, State of Washington, have invented certain new and useful Improvements in Faucet-Filters; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in faucets and more particularly to a type of self-contained filtering faucet, and my obj ect is to improve the construction and simplify the operation of devices of this character.

A further object is to provide a faucetfilter from which the accumulated sediment may be cleaned without dismounting the faucet.

A still further object is to provide means whereby this cleansing will be done by the water itself and, a still further object is to provide means for flushing out the interior of the filtering medium.

With the above and other objects in View, this invention consists in a certain construction and arrangement of parts to be hereinafter more fully described, specifically pointed out in the appended claim and shown in the accompanying drawings which illustrate a preferred embodiment.

In these drawings; Figure 1 is a side elevation of a filtering faucet constructed in accordance with my invention and shown partly in section, and Fig. 2 is a longitudinal section on the line 22 of Fig. 1.

Referring specifically to these drawings, in which similar reference numerals designate corresponding parts throughout the views, 1 is the supply pipe, on which is shown a conventional faucet 2 consisting of a globe valve 3 and a nozzle 4, the several parts being united by screw connections. In the present instance the nozzle 4 is formed in two sections, consisting of a nozzle proper 5 and nipple 6. The end of the nozzle is provided with a threaded extension 7 which enters a tapped opening 8 in the nipple. The diameter of this opening is greater than that of the nipple bore, the

juncture of the two forming an annular shoulder 9. The opposite end of the nipple is provided with external screw threads 1.0 to engage internal threads in the valve body 3.

Abutting against the shoulder 9 is a disk 11 formed of perforate sheet metal. A second disk 12 of the same character as the first is held in position by the squared end of the threaded extension 7 and between these two disks the filtering medium 13 is placed.

The construction so far described is common to several commercial devices of this character and the objection most commonly urged against this faucet-filter is the frequent need of cleaning. This results from the necessary size limitation of the filtering medium and cannot be successfully remedied by direct attack on its cause. It is possible however to render the cleansing operation so simple and eflicient as to remove most of.

the objections, and this is a primary object of my invention.

In the bottom portion of the nipple 6 is formed a tapped opening 14:, preferably positioned to fall partly within and partly without the filtering medium; the center line of the opening being either perpendicular to or at an angle with that of the nipple as preferred. In this opening is inserted a threaded plug 15 whose external end is flattened out to make a thumb grip 16. The inner end of the plug is preferably ground out concave on a radius of curvature equal to that of the disks so that a tight joint will be formed between disk and plug, thus closing all connection between the filtering chamber and the inlet pipe 6X,

cept that through the perforated disk 11.

In use it will be found that sediment will accumulate on the bottom of the inlet pipe adjacent the strainer disk, and further a certain quantity of fine silt will clog the pores of the disk and accumulate in the spaces between the filtering medium and its inclosing walls. To remove this accumulation the plug 15 is unscrewed and the full pressure of the water turned on. The larger particles, sand and the like, will flush out through that portion of the plug hole connecting with the inlet pipe while the finer accumulation in the filtering chamber and the pores of the first straining disk will be flushed out by the increased flow of Water medium, along the inner face of the strainer disk and out of that portion of the plug hole lying Within the filter chamber.

If the filtering medium is made up of particles fine enough or light enough to be in danger of Washing through the plug hole,

it may be covered Within the chamber by a screen of mesh fine enough to retain the particles of the medium.

From the above description it Will be apparent that I have provided meansfor conveniently and thoroughly cleansing the inlet pipe and filter chamber, and that the means utilized are simple in construction and do not add appreciably to the cost of the device.

What I claim is:

In a faucet filter, including a valve, the combination With a filtering chamber on the outlet side of said valve and a filter in said chamber, said chamber having a single opening in its lower Wall, said opening communicating both With the filtering chamber and the filter, and a plug detachably secured in said opening, said plug having its inner end concaved to register with the edge of the filter.

In testimony whereof, I afiix my signature, in presence of tWo witnesses.

LUTHER A. MASON.

Witnesses:

BLANCHE GRIMP, J. W. BARNES.

Copies of this patent ma; be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. G. 

